OILK vs VOO
ProShares K-1 Free Crude Oil ETF vs Vanguard S&P 500 ETF
Which is better, OILK or VOO?
Energy against Large Cap Blend.
VOO has a lower expense ratio. OILK led over 1Y, 5Y and the full window, VOO over 3Y.
MarketXLS is not an investment adviser. This comparison is generated automatically from market data and is for information only. A Best mark means the better reading on that one measure, not a recommendation to buy.
Side-by-Side Comparison
| Metric | OILK | VOO |
|---|---|---|
| Expense Ratio | 0.69% | 0.03%Best |
| AUM | $238M | $997.4B |
| Dividend Yield | 10.56% | 1.04% |
| Holdings | 5 | 509 |
| YTD Return | +56.03%Best | +12.50% |
| 1Y Return | +46.24%Best | +17.58% |
| 3Y Return (annualized) | +9.15% | +21.27%Best |
| 5Y Return (annualized) | +15.47%Best | +12.95% |
| Volatility (annualized) | 82.4% | 15.4%Best |
| Max Drawdown | -75.0% | -34.3%Best |
| $10,000 over 5 years | $20,528Best | $18,384 |
| Fund Family | ProShares | Vanguard (US) |
| Category | Commodity | Equity |
| Style | Energy | Large Cap Blend |
| Inception | Sep 26, 2016 | Sep 7, 2010 |
Not shown on this pair: Top 10 Weight.
Volatility and max drawdown are measured over the window both funds cover: Sep 28, 2016 to Sep 11, 2026 (10 years).
OILK vs VOO growth
Month-end closes. Both lines start at 0% in the first month shown, so the gap between them is the difference in growth across that window. The full view covers the 10 years both funds cover.
OILK vs VOO Performance
ProShares K-1 Free Crude Oil ETF (OILK) is an ETF from ProShares and Vanguard S&P 500 ETF (VOO) is an ETF from Vanguard (US). Over the past year OILK returned +46.24% while VOO returned +17.58%. Year to date, OILK is up 56.03% versus a gain of 12.50% for VOO.
Over three years, OILK compounded at +9.15% per year against +21.27% for VOO; over five years the annualized figures are +15.47% and +12.95% respectively. Across the full 10-year window we track, OILK has the edge at +20.71% annualized vs +14.40%.
Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
OILK has been the more volatile fund, with annualized monthly volatility of 82.4% compared with 15.4% for VOO. Lower volatility generally means a smoother ride, though it often comes with lower long-run returns.
The deepest peak-to-trough decline in our data was -75.0% for OILK and -34.3% for VOO. Drawdown depth is what each fund did in the worst stretch of the window measured above.
The two funds' monthly returns correlate at 0.39. They move together some of the time, and apart the rest.
Fees and Cost Over Time
OILK charges 0.69% per year while VOO charges 0.03%. On a $10,000 position that is $69 vs $3 annually, a gap of $66 per year that compounds over a long holding period. On income, OILK currently yields 10.56% against 1.04% for VOO.
Holdings Overlap
We hold position weights for 1 holding in OILK and 505 in VOO, totalling 69.5% and 99.9% of the two funds. The two books name no position in common, so there is no overlap percentage to show.
The two holdings books were reported 62 days apart, OILK as of Aug 31, 2026 and VOO as of Jun 30, 2026, so some of the difference between them is the time between the two reports rather than the funds.
0 positions in common, counted across the 1 positions we hold weights for in OILK and 505 in VOO, against full books of 5 and 509.
You are not choosing between two funds in isolation.
Whichever of OILK and VOO you pick has to sit alongside everything else you own. Add the rest and see what the combination actually holds.
Free for up to 10 holdings. No account needed.
Frequently Asked Questions
Which is cheaper, OILK or VOO?
OILK has an expense ratio of 0.69% while VOO charges 0.03%. VOO is the cheaper option, by $66 a year on a $10,000 investment.
Which performed better, OILK or VOO?
Over the past year OILK returned +46.24% vs +17.58% for VOO, so OILK leads on 1-year performance. Over the longest common window we track (10 years), OILK annualized +20.71% vs +14.40% for VOO. Past performance does not guarantee future results. This is information, not a recommendation.
Which is riskier, OILK or VOO?
OILK has been the more volatile fund at 82.4% annualized versus 15.4% for VOO. Worst drawdown: OILK -75.0% vs VOO -34.3%.
Should I hold both OILK and VOO?
OILK and VOO have a monthly-return correlation of 0.39, so their returns are far enough apart for the mix to behave differently from either one alone. This is information, not a recommendation.
Which pays a higher dividend, OILK or VOO?
OILK yields 10.56% while VOO yields 1.04%, so OILK currently pays the higher dividend yield.
Is VOO better than OILK?
VOO has a lower expense ratio. OILK led over 1Y, 5Y and the full window, VOO over 3Y. Which one suits a particular account depends on what it is for. This is information, not a recommendation.